23
Symptom Cause Solution
Indicator light does
not light up.
1. The power source
not connected or
badly connected.
2. Indicator damaged.
3. The overheating
sensor activated
Get the professional
technician to check
the electrical wiring
and indicators.
Water temperature
not warm enough
1. The element is
defective.
2. Temperature
controller
malfunction.
3. No power to water
heater.
1. Replace the
element.
2. Call the customer
service for repair
3. Check power
supply.
No water from the
warm water tap
1. Main water valve
not turn on.
2. Turn on the main
water.
Water leakage 1. Leaking from
plumbing connection.
2. Leaking at gasket
1. Tighten the
connection.
2. Tighten the element
or replace the gasket
Electrical mains tripped 1. Element short circuit 1. Replace element.
TROUBLESHOOTING GUIDE
HOW TO CONNECT THIS MODEL WITH WIFI
This model is with WIFI control function. Please refer to the relevant APP
operation instructions for specific operations.WIFI configuration:
1) For ISO system, download “Tuya” APP from Apple Store and install the APP.
2) For Android system, download “Tuya” APP from Google play-Smart Life
and install the APP.
3) Press WIFI button for 3 seconds,WIFI indicator light will flash at a fast
pace, and the unit enters EZ network distribution status;
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